Hello, I am new to TBB and also newhere.
I have to post questions for a beginning stage. I cannot compile programs with TBB, describe it below:
- Download theStable Release of TBB, tbb20_014oss, then untar the two files. "tbb20_20070927oss_src" and "tbb20_20070927oss_win" two foldersare created at "c:".
- Copy "c: bb20_20070927oss_winia32vc8" to "c: bb20_20070927oss_src".
can anyone please explain or give a code sample of how to use parallel_for in order to iterate over a concurrent_hash_map?
Hi,
Today I saved a lot of time by learning that scalable_allocator already pooled memory. It's nice to find that a library that should probably do something for you, really does already. I'm somewhat surprised that I missed that fact, however I've been saved a lot of time and effort in learning this now rather than later.
Hey,
Memory has become a bottleneck in YetiSim execution (in particular the use of boost::shared_ptr), and I've decided to deal with it now rather than later. The strategy that I've decided upon is to implement a singleton MemoryManager class, which is responsible for allocation / deallocation of all objects. This is fine for a simulator, and rather custom to my project.
-Thiru
I download the TBB each version, and add them to VS2005.
Using concurrent_queue concurrent_hash_map is ok.
But when I use parallel_for, then get a link error!
error LNK2001: unresolved external symbol "public: virtual void __thiscall tbb::task::note_affinity(unsigned short)" (?note_affinity@task@tbb@@UAEXG@Z)
Could some one to tell me how to resolve it.
Thanks very much!
Has anyone built the TBB on the Playstation? Anything I should be particularly mindful of? This is just for threading on the PPE which is a PowerPC.I am thinking that if you can get it to build on thePowerPC Mac, it should build just fine on the playstation. I am running YDL (or FC6) on the PS3.
I have no problems building the Boost Thread library on the playstation in the past.
Thanks,
sanjeev
Hello all,
Browsing through tick_count.h, I was wondering why clock_gettime is called with CLOCK_REALTIME instead of CLOCK_REALTIME_HR. Since I have no experience with this call, this is probably a newbie question.
Additionally, I was wondering what the actual relationship between tick_count and the actual CPU tick counters is, since tick_count uses different timing calls for different cases/OSes.
I get the following error for all TBB versions when making with gcc 4.1.1 on RedHat 4.4 for x86-64:
gmake[1]: Entering directory `/opt/TBB/tbb20_014oss_src/build/linux_em64t_gcc_cc4.1.1_libc2.3.4_kernel2.6.9_release'
../../build/Makefile.tbb:38: CONFIG: cfg=release arch=em64t compiler=gcc os=linux runtime=cc4.1.1_libc2.3.4_kernel2.6.9
sh ../../build/generate_tbbvars.sh
Hi everyone,
I posted a separate thread that discussed using the cache effectively with respect to data structures. This raises a separate question. I've read a lot about the importance of using the cache effectively in software, and the performance hits of a "cold" cache.
